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Sir, you need to download the specific drivers for your laptop. Take note of the model of the laptop and then do a google search to download those drivers. After the download, install them one by one, restart the computer and everything should work out fine now. If you can let me know the model, I can send you the link where to download the drivers that you need.

Try to check the model numberfor your laptop,then go to goole search then go to Acer driver downlord using the model number it will give you the drivers u want for your computer.Let me know the results please.